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GetDomainNameFromIPV4AddressAsString.cpp
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49 lines (33 loc) · 1.34 KB
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#include "Win32Helper.h"
BOOL GetDomainNameFromIPV4AddressAsStringW(_In_ PWCHAR IpAddress, _Inout_ PWCHAR DomainName)
{
WSADATA WindowsSocketData = { 0 };
BOOL bFlag = FALSE;
SOCKADDR_IN AddressInformation = { 0 };
if (WSAStartup(MAKEWORD(2, 2), &WindowsSocketData) != ERROR_SUCCESS)
return FALSE;
AddressInformation.sin_family = AF_INET;
AddressInformation.sin_addr.S_un.S_addr = ConvertIPv4StringToUnsignedLongW(IpAddress);
if (GetNameInfoW((CONST SOCKADDR*) & AddressInformation, sizeof(SOCKADDR), DomainName, 32, NULL, 0, NI_NUMERICSERV) != ERROR_SUCCESS)
goto EXIT_ROUTINE;
bFlag = TRUE;
EXIT_ROUTINE:
WSACleanup();
return bFlag;
}
BOOL GetDomainNameFromIPV4AddressAsStringA(_In_ PCHAR IpAddress, _Inout_ PCHAR DomainName)
{
WSADATA WindowsSocketData = { 0 };
BOOL bFlag = FALSE;
SOCKADDR_IN AddressInformation = { 0 };
if (WSAStartup(MAKEWORD(2, 2), &WindowsSocketData) != ERROR_SUCCESS)
return FALSE;
AddressInformation.sin_family = AF_INET;
AddressInformation.sin_addr.S_un.S_addr = ConvertIPv4StringToUnsignedLongA(IpAddress);
if (GetNameInfoA((CONST SOCKADDR*) & AddressInformation, sizeof(SOCKADDR), DomainName, 32, NULL, 0, NI_NUMERICSERV) != ERROR_SUCCESS)
goto EXIT_ROUTINE;
bFlag = TRUE;
EXIT_ROUTINE:
WSACleanup();
return bFlag;
}